21631424520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^2\times {\mathrm{431}}^1$

素因数の和:688

約数の個数: 192

約数和(自身を含む): 67297547520

約数和(自身を除く): 45666123000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 101, 120, 123, 164, 202, 205, 246, 303, 328, 404, 410, 431, 492, 505, 606, 615, 808, 820, 862, 984, 1010, 1212, 1230, 1293, 1515, 1640, 1724, 2020, 2155, 2424, 2460, 2586, 3030, 3448, 4040, 4141, 4310, 4920, 5172, 6060, 6465, 8282, 8620, 10201, 10344, 12120, 12423, 12930, 16564, 17240, 17671, 20402, 20705, 24846, 25860, 30603, 33128, 35342, 40804, 41410, 43531, 49692, 51005, 51720, 53013, 61206, 62115, 70684, 81608, 82820, 87062, 88355, 99384, 102010, 106026, 122412, 124230, 130593, 141368, 153015, 165640, 174124, 176710, 204020, 212052, 217655, 244824, 248460, 261186, 265065, 306030, 348248, 353420, 408040, 418241, 424104, 435310, 496920, 522372, 530130, 612060, 652965, 706840, 836482, 870620, 1044744, 1060260, 1224120, 1254723, 1305930, 1672964, 1741240, 1784771, 2091205, 2120520, 2509446, 2611860, 3345928, 3569542, 4182410, 4396631, 5018892, 5223720, 5354313, 6273615, 7139084, 8364820, 8793262, 8923855, 10037784, 10708626, 12547230, 13189893, 14278168, 16729640, 17586524, 17847710, 21417252, 21983155, 25094460, 26379786, 26771565, 35173048, 35695420, 42834504, 43966310, 50188920, 52759572, 53543130, 65949465, 71390840, 87932620, 105519144, 107086260, 131898930, 175865240, 180261871, 214172520, 263797860, 360523742, 527595720, 540785613, 721047484, 901309355, 1081571226, 1442094968, 1802618710, 2163142452, 2703928065, 3605237420, 4326284904, 5407856130, 7210474840, 10815712260, 21631424520]

約数ペア:

[(1, 21631424520), (2, 10815712260), (3, 7210474840), (4, 5407856130), (5, 4326284904), (6, 3605237420), (8, 2703928065), (10, 2163142452), (12, 1802618710), (15, 1442094968), (20, 1081571226), (24, 901309355), (30, 721047484), (40, 540785613), (41, 527595720), (60, 360523742), (82, 263797860), (101, 214172520), (120, 180261871), (123, 175865240), (164, 131898930), (202, 107086260), (205, 105519144), (246, 87932620), (303, 71390840), (328, 65949465), (404, 53543130), (410, 52759572), (431, 50188920), (492, 43966310), (505, 42834504), (606, 35695420), (615, 35173048), (808, 26771565), (820, 26379786), (862, 25094460), (984, 21983155), (1010, 21417252), (1212, 17847710), (1230, 17586524), (1293, 16729640), (1515, 14278168), (1640, 13189893), (1724, 12547230), (2020, 10708626), (2155, 10037784), (2424, 8923855), (2460, 8793262), (2586, 8364820), (3030, 7139084), (3448, 6273615), (4040, 5354313), (4141, 5223720), (4310, 5018892), (4920, 4396631), (5172, 4182410), (6060, 3569542), (6465, 3345928), (8282, 2611860), (8620, 2509446), (10201, 2120520), (10344, 2091205), (12120, 1784771), (12423, 1741240), (12930, 1672964), (16564, 1305930), (17240, 1254723), (17671, 1224120), (20402, 1060260), (20705, 1044744), (24846, 870620), (25860, 836482), (30603, 706840), (33128, 652965), (35342, 612060), (40804, 530130), (41410, 522372), (43531, 496920), (49692, 435310), (51005, 424104), (51720, 418241), (53013, 408040), (61206, 353420), (62115, 348248), (70684, 306030), (81608, 265065), (82820, 261186), (87062, 248460), (88355, 244824), (99384, 217655), (102010, 212052), (106026, 204020), (122412, 176710), (124230, 174124), (130593, 165640), (141368, 153015)]